Advertisements
Advertisements
Question
The moment of a force about axis depends ______.
Options
only on the magnitude of force
only on the perpendicular distance of force from the axis
neither on the force nor on the perpendicular distance of force from the axis
on both the force and its perpendicular distance from the axis
Advertisements
Solution
The moment of a force about axis depends on both the force and its perpendicular distance from the axis.
APPEARS IN
RELATED QUESTIONS
A brass ball is hanging from a stiff cotton thread. Draw a neat labeled diagram showing the forces acting on the brass ball and cotton thread
Where can a body execute free vibrations?
State the effect of force F in of the following diagram.
Two forces each of magnitude 10 N act vertically upwards and downwards respectively at the two ends A and B of a uniform rod of length 4 m which is pivoted at its midpoint O as shown in the figure. Determine the magnitude of the resultant moment of forces about the pivot O.
A steering wheel of diameter 0.5 m is rotated anticlockwise by applying two forces each of magnitude 6 N. Draw a diagram to show the application of forces and calculate the moment of forces applied.
Give an example of the following uses of a machine:
to change the direction of force
What is the work done when no net force is applied on the body?
State the effects that a force can produce. Given one example of each.
Write the expression for calculating the moment of force about a given point.
A uniform metre scale is balanced at a 40 cm mark when weights of 20 gf and 5 gf are suspended at 5 cm mark and 75 cm mark respectively. Calculate the weight of metre scale.
